MAP22: Impossible Mission (The Plutonia Experiment)
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| Plutonia maps 21-30 |
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MAP22: Impossible Mission is the twenty-second map of The Plutonia Experiment. It was designed by Dario Casali and uses the music track "The Dave D. Taylor Blues" from Doom II (the same as Doom II's MAP22: The Catacombs).
Contents
Walkthrough[edit]
Essentials[edit]
Unlike most maps, none of the nukage in this level is harmful.
Blue key[edit]
You start on a raised platform. Walk forward to activate a lift and go down to the floor below, then turn right (west) and head straight forward to some steep steps. Go up the steps and head round the corner then go north into a passage and follow it until you drop down to a nukage pool. You will see some chaingunners and barrels to your left—on I'm Too Young To Die and Hey Not Too Rough skill levels you can take them out with one well-placed shot from a rocket launcher if you have one, but on Hurt Me Plenty (HMP) or higher you can do nothing and instead wait for a Hell knight to blow up the barrels with one of its projectiles.
After clearing the way, head to the south-west corner of the pool to find the blue keycard. Arm yourself before picking it up as you will drop into a room containing three demons (or shotgun guys on Ultra-Violence and Nightmare). After killing them, throw the switch on the south wall to reveal a teleporter that will put you on top of a nukage-fall. Walk forward to drop down to the room east of the blue key area.
Yellow key[edit]
Go back down the stairs and immediately turn left to enter a maze-like area infested with (depending on skill level) zombiemen, shotgun guys or chaingunners. Turn left at the first junction to reach a second junction, then turn right and follow the hallway until you pass a spine wall; as you walk past it, a knight and some chaingunners will rise from two nearby alcoves. Turn left at the third junction and walk through the chaingunners' alcove to find a button, press it then return to the third junction and head west into a room with burning barrels and imps.
The switch and teleporter in this room are out of reach; instead, go into the west alcove to find a rocket launcher then step on the lift behind it, which will take you down to a chaingunner ambush. Go through the doorway in front of you to see a bridge over a large nukage pit which is guarded by various enemies, including a couple of arachnotrons; follow the bridge until the center part sinks into the floor below, then head to an opening in the north-west corner of the nukage and turn right to see a staircase guarded by (depending on skill level) five zombiemen, shotgun guys or revenants. Head up to the top of the stairs then follow the stone path round until you see a step leading up to the arachnotron's platform where you can press a button to raise the bridge again.
Go back down to the nukage and enter the nearby teleporter to return to the start of the bridge. You can now follow it all the way to the end, where a baron of Hell guards the yellow keycard.
Red key and exit[edit]
Drop back into the nukage and go to the north-west corner again, press the button that has appeared here then enter the teleporter again and step backwards to get on the lift before it rises again. Backtrack through the chaingunner maze to the starting room, watching out for zombies and a revenant that have been released into the area, then head through either of the south doors (which require the blue key) to another nukage area and head to the south doorway to destroy an arachnotron and some imps, then go through and head west to a junction guarded by a mancubus. Turn left or right and follow the tunnel round to the west side, where some chaingunners are guarding a lever that you need to pull.
Go back to the previous room, where four nukage-falls have lowered to reveal more mancubi, then go through the east doorway to enter a tunnel with metal arches and follow it to a room with four spectres. Press the lion switch in the south-east corner of this room then go to the north-west corner to an open door and turn right to get on a lift which leads up to a switch between two yellow skull bars. Flip this switch then return to the room with the burning barrels to find that the bars here have opened, letting you flip another switch behind them that will lower the nearby teleporter. Equip a powerful weapon such as the BFG9000 before entering the teleporter as you will have to battle a number of barons, as well as an arch-vile on HMP or higher; use the megasphere to your right (supercharge on Ultra-Violence or Nightmare) to help you. Once the platform is clear, claim the red keycard that the barons were guarding.
Drop into the nukage below the red key platform and leave through the north-east door, then open the red key door in front of you to get outside. Enter the nukage in front of you and head north-west to some wooden steps and go up them to a button guarded by two revenants. Press the button then go back through the red key door and turn left to go up some steps, then north along an L-shaped bridge to a yellow key door. Pass through the door and follow the tunnel to the exit teleporter to end the level.
Other points of interest[edit]
After leaving the starting room, head up some diagonal steps to find a plasma gun. If you head due east from this point you can go up some more steps leading to a super shotgun.
After approaching the yellow door which leads to the level exit, a small corridor with two chaingunners will open in the previous area. Going through will lead to a small balcony overlooking the nukage area with some supplies inside.
Secrets[edit]
- Go through the eastern blue key door and enter the nukage, then step back on to the gray ledge you just walked off; you will hear a lift lower nearby. Quickly go back through the door and walk west to see that part of the south wall has lowered to reveal a teleporter. Enter the teleporter to be sent to a small passage with an armor, a medikit and ammo then go forward to another teleporter that leads to a ledge above the previous area; this ledge is the actual secret. (sector 50)
- Go to the nukage area behind the blue key doors and head through the south doorway, then enter the tunnel on your right. Look at the south wall to see that part of it does not have a nukage stain at the bottom; open this section and follow the passage behind it to a rocket launcher and rockets. (sector 85)
- In the narrow passage leading to secret #2, there is another part of the south wall that does not have a nukage stain on it. Open this wall to reveal a teleporter that leads to a ledge above the main room, which holds health bonuses and shotgun shells. (sector 84)
- Go through the red key doors to get outside then climb the steps in the north-west corner to reach a button. Look at the back side of this button to find a second button and push it, then head west into a cave; the north wall has lowered to reveal a backpack, two medikits, a box of rockets and two boxes of shotgun shells. (sector 130)
Bugs[edit]
It is possible to flip the switch behind the yellow bars from the side without raising said bars. This allows you to skip straight to getting the red keycard.
The western side of the large nukage area with the red key on a platform has a set of one way stairs. The first step is 26 units above the floor, so it normally cannot be ascended. But, on higher skill levels, an arch-vile appears near the red key, allowing the player to perform an arch-vile jump over the first step and become unable to descend once they have passed the third step. The arch-vile can still attack the player in that position while the player cannot retaliate, but can get killed infighting with the barons, leaving the player trapped.
Areas / screenshots[edit]
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Nukage.
The end.
Speedrunning[edit]
Routes and tricks[edit]
Current Compet-n records[edit]
The Compet-n records for the map are:
| Run | Time | Player | Date | File | Notes |
|---|---|---|---|---|---|
| UV speed | 01:11 | Vincent Catalaá (Peroxyd) | 2001-11-03 | pl22-111.zip | |
| NM speed | 01:41 | Artem Safronov (SAV88) | 2007-10-05 | pn22-141.zip | |
| UV max | 05:15 | Anders Johnsen | 1998-11-18 | pl22-515.zip | |
| NM100S | 02:45 | Drew DeVore (stx-Vile) | 2002-04-29 | ps22-245.zip | |
| UV -fast | 13:34 | Peo Sjöblom | 1997-01-10 | pf22-gm.zip | |
| UV -respawn | 05:28 | vdgg | 2013-04-18 | pr22-528.zip | |
| UV Tyson | |||||
| UV pacifist | 04:07 | Drew DeVore (stx-Vile) | 2005-02-28 | pp22-407.zip |
The data was last verified in its entirety on July 6, 2020.
Current DSDA records[edit]
The records for the map at the Doom Speed Demo Archive are:
| Run | Time | Player | Date | File | Notes |
|---|---|---|---|---|---|
| UV speed | 0:23.20 | Zero-Master | 2022-09-09 | pl22-023.zip | |
| NM speed | 1:41.86 | Artem Safronov (SAV88) | 2007-10-05 | pn22-141.zip | |
| UV max | 3:35.89 | Orii | 2024-04-01 | pl22m335.zip | |
| NM 100S | 2:45.11 | Drew DeVore (stx-Vile) | 2002-04-29 | ps22-245.zip | |
| UV -fast | 5:57.34 | Blake Collins (Rayziik) | 2017-07-22 | realfast.zip | |
| UV -respawn | 5:28.77 | vdgg | 2013-04-17 | pr22-528.zip | |
| UV Tyson | 24:19.49 | j4rio | 2024-08-16 | pl22t2419.zip | |
| UV pacifist | 4:07.09 | Drew DeVore (stx-Vile) | 2005-02-28 | pp22-407.zip | |
| NoMo | 0:47.60 | Pleymo | 2020-05-28 | pl22o047.zip | |
| NoMo 100S | 1:04.46 | Pleymo | 2020-06-01 | pl22os104.zip |
The data was last verified in its entirety on October 26, 2024.
Deathmatch[edit]
Player spawns[edit]
This level contains eight spawn points:
- facing south. (thing 437)
- facing north. (thing 438)
- facing east. (thing 439)
- facing east. (thing 440)
- facing west. (thing 441)
- facing north. (thing 442)
- facing south. (thing 443)
- facing west. (thing 444)
Statistics[edit]
Map data[edit]
| Things | 496 |
| Vertices | 1680* |
| Linedefs | 1709 |
| Sidedefs | 2449 |
| Sectors | 175 |
Things[edit]
This level contains the following numbers of things per skill level:
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External links[edit]
- MAP22 demos from the Compet-n database: UV speed • NM speed • UV max • NM100S • UV -fast • UV -respawn • UV Tyson • UV pacifist
- MAP22 demos at the Doom Speed Demo Archive
